evaluating sdbd. crown & bridge downbearings in a new piano

[Frank Weston]

The only way to tell for sure (that I know) is to examine the old ribs after
the old soundboard is removed.  Measuring ribs in place may give some clues,
but would probably not be conclusive.

Frank Weston
-----Original Message-----
From: Ron Nossaman <nossaman@SOUTHWIND.NET>
To: pianotech@ptg.org <pianotech@ptg.org>
Date: Monday, September 27, 1999 2:50 PM
Subject: Re: evaluating sdbd. crown & bridge downbearings in a new piano


>
>>I have rebuilt a lot of old Knabes.  I'm rebuilding a 1910 now.  I have
>>never encountered one with a crowned rib.
>
>>Frank Weston
>
>
>
>Incidentally, how did you ascertain this? I'd sure like to know how to tell
>for sure.
>
> Ron N
>